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Bio markscheme

I just did my biology mock and it was on the cardiac cycle and I kept referring to the left atria and ventricle throughout my six marker and I was wondering if any of you knew if I would get any penalised for the same mistake once or I would lose all six marks-for a level ocr a
what’s wrong about referring to left atria and ventricle tho?
Original post by set1xoxo
what’s wrong about referring to left atria and ventricle tho?


I wonder…
Original post by CaptainDuckie
I wonder…
was that sarcastic😭 is it bc atria is plural and it’s meant to be atrium?
Reply 4
Original post by set1xoxo
was that sarcastic😭 is it bc atria is plural and it’s meant to be atrium?

I think its because the cardiac cycle both sides of the heart should be discussed so you should talk about the whole heart activity, for example in atrial systole both atria contract simultaneously to increase in pressure and decrease volume.
(edited 1 month ago)

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